Pen with whistle



FIG. 1 is a perspective view of a pen with whistle showing our newdesign;

FIG. 2 is a front view thereof;

FIG. 3 is a rear view thereof;

FIG. 4 is a right side view thereof;

FIG. 5 is a left side view thereof;

FIG. 6 is a top view thereof; and,

FIG. 7 is a bottom view thereof.

The broken line portions of the drawings are included for the purpose ofillustrating unclaimed structure and form no part of the claimed design.

CLAIM The ornamental design for a pen with whistle, as shown.